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Diffstat (limited to 'include/asm-arm/arch-omap/omap-alsa.h')
-rw-r--r-- | include/asm-arm/arch-omap/omap-alsa.h | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/include/asm-arm/arch-omap/omap-alsa.h b/include/asm-arm/arch-omap/omap-alsa.h deleted file mode 100644 index faa0ed23d4ba..000000000000 --- a/include/asm-arm/arch-omap/omap-alsa.h +++ /dev/null | |||
@@ -1,123 +0,0 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-omap/omap-alsa.h | ||
3 | * | ||
4 | * Alsa Driver for AIC23 and TSC2101 codecs on OMAP platform boards. | ||
5 | * | ||
6 | * Copyright (C) 2006 Mika Laitio <lamikr@cc.jyu.fi> | ||
7 | * | ||
8 | * Copyright (C) 2005 Instituto Nokia de Tecnologia - INdT - Manaus Brazil | ||
9 | * Written by Daniel Petrini, David Cohen, Anderson Briglia | ||
10 | * {daniel.petrini, david.cohen, anderson.briglia}@indt.org.br | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify it | ||
13 | * under the terms of the GNU General Public License as published by the | ||
14 | * Free Software Foundation; either version 2 of the License, or (at your | ||
15 | * option) any later version. | ||
16 | * | ||
17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
20 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
23 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
24 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
27 | * | ||
28 | * You should have received a copy of the GNU General Public License along | ||
29 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
30 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
31 | * | ||
32 | * History | ||
33 | * ------- | ||
34 | * | ||
35 | * 2005/07/25 INdT-10LE Kernel Team - Alsa driver for omap osk, | ||
36 | * original version based in sa1100 driver | ||
37 | * and omap oss driver. | ||
38 | */ | ||
39 | |||
40 | #ifndef __OMAP_ALSA_H | ||
41 | #define __OMAP_ALSA_H | ||
42 | |||
43 | #include <asm/arch/dma.h> | ||
44 | #include <sound/core.h> | ||
45 | #include <sound/pcm.h> | ||
46 | #include <asm/arch/mcbsp.h> | ||
47 | #include <linux/platform_device.h> | ||
48 | |||
49 | #define DMA_BUF_SIZE (1024 * 8) | ||
50 | |||
51 | /* | ||
52 | * Buffer management for alsa and dma | ||
53 | */ | ||
54 | struct audio_stream { | ||
55 | char *id; /* identification string */ | ||
56 | int stream_id; /* numeric identification */ | ||
57 | int dma_dev; /* dma number of that device */ | ||
58 | int *lch; /* Chain of channels this stream is linked to */ | ||
59 | char started; /* to store if the chain was started or not */ | ||
60 | int dma_q_head; /* DMA Channel Q Head */ | ||
61 | int dma_q_tail; /* DMA Channel Q Tail */ | ||
62 | char dma_q_count; /* DMA Channel Q Count */ | ||
63 | int active:1; /* we are using this stream for transfer now */ | ||
64 | int period; /* current transfer period */ | ||
65 | int periods; /* current count of periods registerd in the DMA engine */ | ||
66 | spinlock_t dma_lock; /* for locking in DMA operations */ | ||
67 | struct snd_pcm_substream *stream; /* the pcm stream */ | ||
68 | unsigned linked:1; /* dma channels linked */ | ||
69 | int offset; /* store start position of the last period in the alsa buffer */ | ||
70 | int (*hw_start)(void); /* interface to start HW interface, e.g. McBSP */ | ||
71 | int (*hw_stop)(void); /* interface to stop HW interface, e.g. McBSP */ | ||
72 | }; | ||
73 | |||
74 | /* | ||
75 | * Alsa card structure for aic23 | ||
76 | */ | ||
77 | struct snd_card_omap_codec { | ||
78 | struct snd_card *card; | ||
79 | struct snd_pcm *pcm; | ||
80 | long samplerate; | ||
81 | struct audio_stream s[2]; /* playback & capture */ | ||
82 | }; | ||
83 | |||
84 | /* Codec specific information and function pointers. | ||
85 | * Codec (omap-alsa-aic23.c and omap-alsa-tsc2101.c) | ||
86 | * are responsible for defining the function pointers. | ||
87 | */ | ||
88 | struct omap_alsa_codec_config { | ||
89 | char *name; | ||
90 | struct omap_mcbsp_reg_cfg *mcbsp_regs_alsa; | ||
91 | struct snd_pcm_hw_constraint_list *hw_constraints_rates; | ||
92 | struct snd_pcm_hardware *snd_omap_alsa_playback; | ||
93 | struct snd_pcm_hardware *snd_omap_alsa_capture; | ||
94 | void (*codec_configure_dev)(void); | ||
95 | void (*codec_set_samplerate)(long); | ||
96 | void (*codec_clock_setup)(void); | ||
97 | int (*codec_clock_on)(void); | ||
98 | int (*codec_clock_off)(void); | ||
99 | int (*get_default_samplerate)(void); | ||
100 | }; | ||
101 | |||
102 | /*********** Mixer function prototypes *************************/ | ||
103 | int snd_omap_mixer(struct snd_card_omap_codec *); | ||
104 | void snd_omap_init_mixer(void); | ||
105 | |||
106 | #ifdef CONFIG_PM | ||
107 | void snd_omap_suspend_mixer(void); | ||
108 | void snd_omap_resume_mixer(void); | ||
109 | #endif | ||
110 | |||
111 | int snd_omap_alsa_post_probe(struct platform_device *pdev, struct omap_alsa_codec_config *config); | ||
112 | int snd_omap_alsa_remove(struct platform_device *pdev); | ||
113 | #ifdef CONFIG_PM | ||
114 | int snd_omap_alsa_suspend(struct platform_device *pdev, pm_message_t state); | ||
115 | int snd_omap_alsa_resume(struct platform_device *pdev); | ||
116 | #else | ||
117 | #define snd_omap_alsa_suspend NULL | ||
118 | #define snd_omap_alsa_resume NULL | ||
119 | #endif | ||
120 | |||
121 | void callback_omap_alsa_sound_dma(void *); | ||
122 | |||
123 | #endif | ||